Get to Know AuST Group



What makes AuST Group the Gold Standard? 


AuST Group prides itself in delivering our Customers the Gold Standard in medical device design, development, engineering and manufacturing. We are technologically driven, innovative, nimble and sharply focus on solving clinical needs while driving manufacturing excellence. 


Meet The Founders

Stephen A. Leeflang, BS, MBA


Steve is co-founder and principal at AuST. He initially came to the San Francisco Bay Area to work for a medical device start-up, Medtronic AneuRx, as an R&D engineer. At AneuRx Steve designed self-expanding nitinol stents for the AneuRx AAAdvantage Stent Graft System and helped establish large-scale production facilities in Tijuana Mexico. Following his tenure at AneuRx, Steve led product development at Bacchus Vascular as the company’s first engineer. At Bacchus Steve led development of a wide range of catheter-based devices including thrombectomy, distal protection, access site closure, drug delivery, and atherectomy products. He opened clinical sites in the US, Europe, and South America. Subsequently, Steve co-founded Acumen Medical whereas VP of R&D he brought to market the Insight Endocardial Visualization System and multiple cardiac lead delivery catheters. Steve has over 50 issued US and international patents. He has extensive experience with quality systems and regulatory affairs, having directly contributed to 17 successful 510(k) submissions and multiple CE marked products. Steve earned a BS in Physics from the University of Utah and his MBA from UC Berkeley’s Haas School of Business with a certificate in Management of Technology.

Christian S. Eversull, BS, MA, MD


Chris is co-founder and principal at AuST. Chris has developed medical devices for the past 15 years, working in roles from design engineering to executive management. He is also a licensed physician trained in internal medicine with a research focus in cardiovascular electrophysiology. Chris began his career in engineering at Medtronic AneuRx developing AAA stent grafts. He then joined Bacchus Vascular to lead initial development of the Trellis Isolated Thrombolysis Catheter. In 2002, Chris co-founded Acumen Medical, a company focused on cardiac lead delivery, where he served as Chief Medical Officer until 2007. At Acumen, he led development of marketing and design specifications, translating clinical needs into product concepts. He also led regulatory and intellectual property strategy development as well as clinical product evaluation. Chris left Acumen to complete a residency in internal medicine at Stanford University Medical Center. He was awarded the Biodesign Innovation Fellowship and has published several peer reviewed articles relating to cardiac anatomy, imaging, and ablation. In addition to the foregoing, Chris received a BS with distinction from Stanford University's Program in Science, Technology, and Society with a technical concentration in chemistry. Chris also received an MA in Russian and East European Studies from Stanford. He has authored over 30 US patents and numerous pending applications.

The Medical Device Gold Standard

Your Solution for Design, Development, and Manufactuing